Finding the Third Proportional to 1,263,870 and 2,705,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,870 : 2,705,616 = 2,705,616 : x
2. Step 2: Convert to fraction form
   1,263,870/2,705,616 = 2,705,616/x
3. Step 3: Cross multiply
   1,263,870x = 2,705,616 × 2,705,616
4. Step 4: Simplify right side
   1,263,870x = 7,320,357,939,456
5. Step 5: Solve for x
   x = 7,320,357,939,456/1,263,870
6. Step 6: Final answer
   x = 5,792,018.12